Table 1.

Examples of initial codes, subthemes, and themes from the interview.

Quotation	Initial code	Subtheme	Theme
“It is very convenient (when I am) outside (such as) going abroad. It can be taken and used everywhere.”	Convenient to use outside Convenient to use when going abroad Can be taken and used everywhere	Portability Portability Portability	Access Access Access
“Just won't forget it. I used to forget about (taking medication on time). Now once the alarm rings, I will take the medications.”	Do not forget Take medicine on time when the alarm rings	Reminder of self-management Cue to action	Assistance Activation
“I used to think hypertension was not a problem. (But) the cases (provided in the app) awaked me. It is my own business to manage my daily life.”	Not a problem Cases Own business	Importance of self-management Health education Importance of self-management	Awareness Assistance Awareness